/*****************************************************************************
 *   Copyright 2005 Tim A Wang
 *
 *   Licensed under the Apache License, Version 2.0 (the "License");
 *   you may not use this file except in compliance with the License.
 *   You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *   Unless required by applicable law or agreed to in writing, software
 *   distributed under the License is distributed on an "AS IS" BASIS,
 *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *   See the License for the specific language governing permissions and
 *   limitations under the License.
 *
 ****************************************************************************/
package com.jb.web.bean.validator;

import com.jb.web.validator.ValidatorImpl;

import com.jb.faces.application.FacesMessage;
import com.jb.faces.component.UIComponent;
import com.jb.faces.context.FacesContext;


public class NumberValidator extends ValidatorImpl {
    static final long serialVersionUID = 123123L;

    public void validate(FacesContext ctx, UIComponent comp, Object value) {
        try {
            if (value == null) {
                return;
            }

            String stringValue = value.toString();
            new Float(stringValue);
        } catch (Exception e) {
            ctx.addMessage(comp.getClientId(ctx),
                new FacesMessage("Validation failed for " + comp + " - " + value + " a number is expected"));
        }
    }
}
